Hardly impressive at all, common knowledge actually when we're talking about the Italian school -which Juventus represent perfectly. Year after year, decade after decade, how managers, players and teams can afford being naive when playing against them, it's totally beyond me...
Monaco should avoid conceding at home at all costs. Even a 0-0 result would be promising, away goal(s) would complicate things for the Italian side at Torino -and Monaco do have the easy goal. But they concede first at home, get nervous, fail to perform the way they can. Italians are famous for creating such situations. The impressive part is that it still works, after all these years...